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_Static_assert needs two arguments for compatibility with GCC before 9

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This macro definition enforces two arguments even with newer compilers
that accept the single-argument form, too.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer 2021-09-10 13:18:36 +02:00
parent 27ae52e4d1
commit c9fef4b7d1
1 changed files with 7 additions and 0 deletions
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7
include/sys/cdefs.h
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@ -1,5 +1,12 @@
#ifndef _SYS_CDEFS_H
/* This is outside of _ISOMAC to enforce that _Static_assert always
uses the two-argument form. This can be removed once the minimum
GCC version used to compile glibc is GCC 9.1. */
#ifndef __cplusplus
# define _Static_assert(expr, diagnostic) _Static_assert (expr, diagnostic)
#endif
#include <misc/sys/cdefs.h>
#ifndef _ISOMAC